Dictionary.com

fayalite

[ fey-uh-lahyt, fahy-ah-lahyt ]
/ ˈfeɪ əˌlaɪt, faɪˈɑ laɪt /
Save This Word!

noun Mineralogy.
the iron end member of the olivine group, Fe2SiO4.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of fayalite

1835–45; named after Fayal; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for fayalite

fayalite
/ (ˈfeɪəˌlaɪt, faɪˈɑːlaɪt) /

noun
a rare brown or black mineral of the olivine group, consisting of iron silicate. Formula: Fe 2 SiO 4

Word Origin for fayalite

C19: named after Fayal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for fayalite

fayalite
[ fāə-līt′ ]

See under olivine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK